The total cholesterol level of U.S. women ages 35 to 44 has a mean of 197 milligrams per deciliter of blood and standard deviation of 37.7 according to the recent study by the National Center for Health Statistics. Given that the total cholesterol level is normally distributed, answer the following questions.
(a) What percent of women have a total cholesterol level less than 217?
(b) If 200 U.S. women in the 35-44 age group are randomly selected, about how many would you expect to have a total cholesterol level great than 185?